CN111395175A

CN111395175A - Pier column template for road and bridge building

Info

Publication number: CN111395175A
Application number: CN202010215074.2A
Authority: CN
Inventors: 耿立辉
Original assignee: Wuhan Ruijinfeng Road And Bridge Equipment Co ltd
Current assignee: Ningbo Qianyi Energy Saving Technology Co.,Ltd.
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2020-07-10
Anticipated expiration: 2040-03-24
Also published as: CN111395175B

Abstract

The invention discloses a pier stud template for road and bridge construction, which comprises two half templates, wherein clamping grooves which are arranged in a T shape are formed in the ends, close to each other, of the two half templates, an industrial template is inserted between the two adjacent clamping grooves, a top plate is fixed at the end, far away from the inner side of each half template, of the industrial template, the end part of the top plate extends to the outer side of the outer wall of each half template, two arc-shaped plates which are attached to the outer wall of each half template are fixed on the outer side of each half template, a socket penetrates through each arc-shaped plate, and a U-shaped rod is arranged on the outer side of the joint of the two half templates. According to the invention, the half templates are connected and fixed by inserting the tool-type plate, so that the problem that the half templates are easy to loosen due to the traditional external hoop fixation is avoided, and the joint of the concrete and the baffle and the half templates is separated through the continuous contact and impact of the impact ball and the half templates and the upward movement of the top plate, so that the rapid demoulding is realized, and the wood plate or the pier stud is prevented from being damaged.

Description

Pier column template for road and bridge building

Technical Field

The invention relates to the technical field of pier studs, in particular to a pier stud template for road and bridge construction.

Background

Pier stud, the lower bearing weight that is used for bearing superstructure in civil engineering. The cross section of the pier column is circular, and the pier column also has anisotropic pier columns such as ellipse, square, curve and parabola. The pier stud is an important component in the projects such as bridges such as highway bridges, railway bridges and sidewalks, overpasses, ramp bridges and overpasses, and the appearance design and quality management of the pier stud, which have profound influence on the overall stability of the bridge, are taken as the important component of the bridge.

When the pier stud is manufactured, the formwork is generally assembled firstly, then the outside of the formwork is reinforced, the release agent is smeared on the inner wall of the formwork, then the subsequent concrete is poured and formed, and after the pier stud concrete is hardened and shaped, the formwork is dismantled, but the existing pier stud forming formwork still has the following problems:

1. the pier column is fixed by adopting an outer frame or an outer hoop, and the outer frame is fixed by adopting bolts and the like, so that the pier column is easy to loosen, or the outer hoop is expanded and loosened due to concrete expansion;

2. even if the release agent is coated, the uniformity can not be ensured, the pier stud still clings to the inner wall of the template, and the template is not convenient to remove in the follow-up process;

3. the mode that the template was demolishd is carried out to the direct template that adopts toward the outside of tradition, or because of there being the damage that is caused template or pier stud between template and the pier stud.

Disclosure of Invention

The invention aims to solve the problems in the background art and provides a pier stud template for road and bridge construction.

In order to achieve the purpose, the invention adopts the following technical scheme:

a pier column template for road and bridge construction comprises two half templates, wherein clamping grooves which are T-shaped are formed in one ends, close to each other, of the two half templates, an industrial template is inserted between the two clamping grooves, a top plate is fixed at one end, far away from the inner side of each half template, of each industrial template, the end of each top plate extends to the outer side of the outer wall of each half template, two arc-shaped plates which are attached to the outer wall of each half template are arranged on the outer side of each half template, a socket penetrates through each arc-shaped plate, a U-shaped rod is arranged on the outer side of the joint of the two half templates, the end of each U-shaped rod penetrates through the socket and extends downwards, a threaded opening which is communicated with the socket is formed in the outer wall of each arc-shaped plate, a fastening bolt which is abutted against the outer wall of the U-shaped rod is screwed in the threaded opening, and transverse plates are fixed at the end parts, the end parts of the two transverse plates are fixedly connected with a vertical plate together, a fixed plate positioned on the inner side of the vertical plate is fixed between the two transverse plates, a through hole is formed in the fixed plate, a lifting rod slides in the through hole, an ejector rod positioned on the lower side of the top plate is fixed at the upper end of the lifting rod, a supporting plate arranged in an arc shape is fixed at the lower end of the lifting rod, a connecting rod is fixed on the inner side wall of the vertical plate, a motor is fixed at the end part of the connecting rod, a cam positioned on the lower side of the supporting plate is fixed at the driving end of the motor, an incomplete gear is fixed on the outer side wall of the cam, a moving plate positioned on the lower side of the incomplete gear and contacted with the incomplete gear is inserted in the vertical plate, sawteeth meshed with the incomplete gear are arranged on the upper side wall of the, and one end of the moving plate close to the half template is fixedly provided with an impact ball.

Preferably, a notch is formed in the inner wall of the end part of each half formwork, a L-shaped baffle is inserted into each two adjacent notches, and the end part of each baffle is fixedly connected with the outer wall of the corresponding template.

Preferably, an oil-resistant vulcanized foaming rubber layer which is in contact with the inner wall of the notch is fixed on the outer wall of the baffle.

Preferably, the inner wall of the impact ball is provided with a cavity, the cavity is communicated with the outside, a plurality of steel balls are arranged in the cavity, and the diameters of the steel balls are far smaller than the inner diameter of the cavity.

Preferably, the diameter of the lifting rod is matched with the inner diameter of the through opening, and the lifting rod adopts an oil cylinder.

Preferably, the inner wall of opening is fixed to inlay and is equipped with magnet piece one, the outer wall of lifter is fixed to inlay and is equipped with the magnet piece two that adsorbs mutually with magnet piece one.

Preferably, the length of the template is equal to the distance between the inner walls of the two clamping grooves.

Preferably, the distance between the inner walls of the two notches of the two half formwork ends is smaller than the length of the form plate.

Compared with the prior art, this pier stud template for road and bridge building's advantage lies in:

1. after the end parts of the two half templates are aligned, the I-shaped plate is inserted between the two clamping grooves, the baffle is positioned in the gap, the I-shaped plate is inserted into the two clamping grooves to connect the two half templates, the I-shaped plate is not easy to separate, and the I-shaped plate is firmer and more stable than the traditional external hoop fixing mode;

2. inserting U-shaped plates into the two sockets at the two sides of the connection part of the half-mould plates, connecting the arc-shaped plates at the two sides, screwing fastening bolts into the threaded openings to connect and fix the U-shaped plates and the arc-shaped plates, and performing secondary reinforcement on the connection of the half-mould plates;

3. when the half formwork is dismantled, the motor is started to drive the incomplete gear to rotate, the moving plate is driven to reciprocate leftwards and rightwards through intermittent meshing of the incomplete gear and the moving plate, the moving plate is driven to move outwards and extrude the return spring, then the moving plate moves inwards under the reverse elasticity of the return spring, the impact ball impacts the outer wall of the half formwork to cause vibration of the half formwork, so that the joint of concrete and the inner wall of the half formwork is loosened, and demoulding is accelerated;

4. the motor drives the cam to rotate while rotating the incomplete gear, the lifting rod is jacked and lowered by the rotation of the cam, the ejector rod is in contact with the top plate to jack the top plate slightly, so that the joint of the baffle and the concrete is separated, and when the baffle completely falls off, the driving end of the oil cylinder extends out to jack the tooling plate and the baffle completely, so that the form removal is realized;

in conclusion, the half templates are connected and fixed by inserting the tool-type plates, so that the problem that the half templates are easy to loosen due to the fact that the outer hoops are fixed conventionally is solved, the joint of the concrete and the baffle and the half templates is separated through continuous contact and impact of the impact balls and the half templates and upward movement of the top plate, rapid demoulding is achieved, and the wood plates or pier studs are prevented from being damaged.

Drawings

FIG. 1 is a schematic structural view of a pier stud template for road and bridge construction according to the present invention;

FIG. 2 is a top view of a vertical plate in the pier stud template for the road and bridge building, which is provided by the invention;

fig. 3 is a top view of the connection of two half-mould plates in the pier stud template for road and bridge construction provided by the invention;

FIG. 4 is an enlarged view of the structure of portion A of FIG. 3;

fig. 5 is a side view of a baffle plate in the pier stud template for road and bridge construction.

In the figure: the device comprises a half template 1, a U-shaped rod 2, a through hole 3, a fastening bolt 4, a clamping groove 5, a tooling plate 6, a notch 7, a baffle 8, an oil-resistant vulcanized foam rubber layer 9, a top plate 10, a cam 11, an incomplete gear 12, a movable plate 13, an impact ball 14, a limiting plate 15, a return spring 16, a lifting rod 17, a resisting plate 18, an ejector rod 19, a vertical plate 20, an arc plate 21 and a fixing plate 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-5, a pier stud template for road and bridge building, including two half templates 1, the draw-in groove 5 that is the T type setting is all seted up to the one end that two half templates 1 are close to mutually, it is equipped with the industrial template 6 to insert between the draw-in groove 5 that two are close to mutually, the length of industrial template 6 and the distance size between two draw-in groove 5 inner walls are equal, guarantee that industrial template 6 card goes into to two draw-in grooves 5 back, the tip of half template 1 just contacts, increase the leakproofness, avoid concrete slurry to leak, the one end that industrial template 6 kept away from half template 1 inboard is fixed with roof 10, the tip of roof 10 extends to the outer wall outside of half template 1, all seted up breach 7 on the tip inner wall of every half template 1, the distance between two breach 7 inner walls of two half template 1 tip is less than the length of industrial template 6, tortuous degree between breach 7 and the draw-in groove 5, further avoid taking place the problem of concrete slurry leakage, the draw-in groove 7 that two be close to mutually inserts the draw-in groove 7 that is equipped with L type setting, the fixed connection of baffle 8 is difficult for two half templates 1, it inserts the fixed insert between the industrial template, it is more firmly than two half template 5, it is difficult for two to insert the stable work hoop 6, the external connection mode of the industrial template, it is more.

An oil-resistant vulcanized foam rubber layer 9 which is in contact with the inner wall of the notch 7 is fixed on the outer wall of the baffle plate 8, the oil-resistant vulcanized foam rubber has better wear resistance and corrosion resistance, and meanwhile, the strength of the oil-resistant vulcanized foam rubber is higher, so that the sealing work of the joint of the notch 7 and the baffle plate 8 can be well carried out.

The outside of every half template 1 all is equipped with two arcs 21 rather than the outer wall laminating, it has the socket all to run through on every arc 21, the junction outside of two half templates 1 is equipped with U type pole 2, the tip of U type pole 2 passes the socket and extends the setting down, set up the screw thread mouth with the interior intercommunication of socket on the outer wall of arc 21, screw thread mouth internal rotation has fastening bolt 4 tight with the outer wall counterbalance of U type pole 2, the worker's template 6 inserts and carries out half template 1's preliminary fixed back in draw-in groove 5, insert U type board 2 in two sockets of the both sides of half template 1 junction, carry out the connection of both sides arc 21, screw in fastening bolt 4 carries out U type board 2 and arc 21's connection and fixes again in the screw thread mouth, paint the release agent on the inner wall of half template 1 and baffle 8, pour the concrete again in half template 1, carry out the hardening of concrete and stereotype.

The tip that lies in every half-mould board 1 and all is fixed with the diaphragm with two arcs 21 of one side, the common fixedly connected with riser 20 of tip of two diaphragms, still be fixed with the fixed plate 22 that lies in the riser 20 inboard between two diaphragms, opening 3 has been seted up on the fixed plate 22, it has lifter 17 to slide in the opening 3, fixed the inlaying is equipped with magnet piece one on the inner wall of opening 3, fixed the inlaying is equipped with the magnet piece two of adsorbing mutually with magnet piece one on the outer wall of lifter 17, avoid lifter 17 to break away from opening 3 through the absorption between magnet piece one and the magnet piece two, when lifter 17 pushes up, break off the absorption between magnet piece one and the magnet piece two, when lifter 17 falls down, adsorb fixedly again.

The diameter of the lifting rod 17 is matched with the inner diameter of the through hole 3, the lifting rod 17 adopts an oil cylinder, the upper end of the lifting rod 17 is fixed with a mandril 19 positioned at the lower side of the top plate 10, the lower end of the lifting rod 17 is fixed with an arc-shaped supporting plate 18, the inner side wall of a vertical plate 20 is fixed with a connecting rod, the end part of the connecting rod is fixed with a motor, the driving end of the motor is fixed with a cam 11 positioned at the lower side of the supporting plate 18, the outer side wall of the cam 11 is fixed with an incomplete gear 12, the incomplete gear 12 and the cam 11 are coaxially arranged, a moving plate 13 positioned at the lower side of the incomplete gear 12 and contacted with the incomplete gear is inserted in the vertical plate 20, the upper side wall of the moving plate 13 is provided with sawteeth meshed with the incomplete gear 12, the end part of the moving plate 13 is fixed with a limiting plate 15, the motor is started, the motor drives the incomplete gear 12 to rotate, the incomplete gear 12 is meshed with the sawteeth on the moving plate 13 to drive the moving plate 13 to move towards the outer side and extrude the return spring 16, when the incomplete gear 12 rotates to be not meshed with the sawteeth on the moving plate 13, the moving plate 13 moves towards the inner side under the reverse elasticity of the return spring 16, the impact ball 14 impacts with the outer wall of the half formwork 1 to cause the vibration of the half formwork 1, the joint of the concrete and the inner wall of the half formwork 1 is loosened, and demolding is accelerated.

The motor drives incomplete gear 12 pivoted and drives cam 11 and rotate simultaneously, the drive end of lifter 17 is withdrawed, when the longer end of cam 11 rotated to with support the board 18 contact, will support board 18, lifter 17 and ejector pin 19 jack-up, ejector pin 19 and roof 10 contact, with the slight jack-up of roof 10, drive worker's board 6 and baffle 8 and up move a certain range, make the junction of baffle 8 and concrete break away from, treat that worker's board 6 and baffle 8 are whole to become flexible jack-up after, the drive end of lifter 17 stretches out, jack-up worker's board 6 and baffle 8, make the connection between two half templates 1 tentatively relieve, screw out fastening bolt 4 again, extract U type pole 2 from the socket, pull half template 1 towards the outside and make it break away from with the concrete, can realize the drawing of patterns.

The cavity has been seted up to the inner wall of impact ball 14, and cavity and outside intercommunication are equipped with a plurality of steel balls in the cavity, and the diameter of a plurality of steel balls is far less than the internal diameter of cavity, and when impact ball 14 and half template 1's outer wall contact striking, the steel ball rocked in the cavity, increases the vibration range of impact ball 14, and the vibrations effect that makes the striking arouse is more obvious.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

The operating principle of the present invention is now explained as follows:

after the end parts of two half templates 1 are aligned, a tool plate 6 is inserted between two clamping grooves 5, a baffle plate 8 is positioned in a gap 7, an oil-resistant vulcanized foamed rubber layer 9 is abutted against the inner wall of the gap 7 for sealing, the problem that burrs exist after pier stud forming due to the fact that concrete flows into the gap 7 when the concrete is poured is solved, after the tool plate 6 is completely inserted, a U-shaped plate 2 is inserted into two sockets on two sides of the joint of the half templates 1 for connecting arc-shaped plates 21 on two sides, a fastening bolt 4 is screwed into a threaded hole for connecting and fixing the U-shaped plate 2 and the arc-shaped plates 21, connection and fixing of the two half templates 1 are realized, a release agent is smeared on the inner walls of the half templates 1 and the baffle plate 8, the concrete is poured into the half templates 1, after the concrete is hardened and shaped, a motor is started to drive an incomplete gear 12 to rotate, and the movable plate 13 is driven to move outwards and extrude a reset spring through the meshing of 16, when the incomplete gear 12 rotates to be not engaged with the sawteeth on the moving plate 13, under the reverse elasticity of the reset spring 16, the moving plate 13 moves towards the inner side, the impact ball 14 impacts with the outer wall of the half formwork 1 to cause the vibration of the half formwork 1 to loosen the connection between the concrete and the inner wall of the half formwork 1, demoulding is accelerated, meanwhile, the motor drives the cam 11 to rotate to start the driving end of the lifting rod 17 to withdraw, when the longer end of the cam 11 rotates to be contacted with the resisting plate 18, the lifting rod 17 and the ejector rod 19 are jacked up, the ejector rod 19 is contacted with the top plate 10 to slightly jack the top plate 10 to drive the tooling plate 6 and the baffle plate 8 to move upwards for a certain extent to separate the connection between the baffle plate 8 and the concrete, after the tooling plate 6 and the baffle plate 8 are completely loosened and jacked up, the driving end of the lifting rod 17 extends out to jack the tooling plate 6 and the baffle plate 8, so as to preliminarily release, and screwing out the fastening bolt 4, pulling the U-shaped rod 2 out of the socket, pulling the half formwork 1 to the outside to separate the half formwork from the concrete, and then realizing demoulding.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The pier stud template for the road and bridge building comprises two half templates (1) and is characterized in that clamping grooves (5) which are arranged in a T shape are formed in one ends, close to each other, of the two half templates (1), an industrial template (6) is inserted between the two clamping grooves (5), a top plate (10) is fixed at one end, far away from the inner side of each half template (1), of each industrial template (6), the end portion of each top plate (10) extends to the outer side of the outer wall of each half template (1), two arc plates (21) attached to the outer wall of each half template (1) are arranged on the outer side of each arc plate (21), a socket penetrates through each arc plate (21), a U-shaped rod (2) is arranged on the outer side of the joint of the two half templates (1), the end portion of each U-shaped rod (2) penetrates through each socket and extends downwards, threaded openings communicated with the sockets are formed in the outer walls of the arc plates (21), the inner screw thread is internally screwed with a fastening bolt (4) which is tightly abutted against the outer wall of a U-shaped rod (2), the end parts of two arc-shaped plates (21) which are positioned on the same side of each half template (1) are respectively fixed with a transverse plate, the end parts of the two transverse plates are fixedly connected with a vertical plate (20) together, a fixing plate (22) which is positioned on the inner side of the vertical plate (20) is also fixed between the two transverse plates, a through hole (3) is formed in the fixing plate (22), a lifting rod (17) is arranged in the through hole (3) in a sliding manner, the upper end of the lifting rod (17) is fixed with a top rod (19) which is positioned on the lower side of a top plate (10), the lower end of the lifting rod (17) is fixed with a supporting plate (18) which is arranged in an arc shape, the inner side wall of the vertical plate (20) is fixed with, be fixed with incomplete gear (12) on the lateral wall of cam (11), insert on riser (20) and be located incomplete gear (12) downside and moving plate (13) rather than contacting, the last lateral wall of moving plate (13) is equipped with the sawtooth that meshes mutually with incomplete gear (12), the end fixing of moving plate (13) has limiting plate (15), limiting plate (15) and riser (20) between be fixed with two reset spring (16), the one end that moving plate (13) are close to half template (1) is fixed with strikes ball (14).

2. The pier column formwork for the road and bridge building according to claim 1, wherein a gap (7) is formed in the inner wall of the end portion of each half formwork (1), a baffle plate (8) arranged in an L shape is inserted into the two adjacent gaps (7), and the end portion of the baffle plate (8) is fixedly connected with the outer wall of the form plate (6).

3. The pier column formwork for the road and bridge building according to claim 1, wherein an oil-resistant vulcanized foaming rubber layer (9) which is in contact with the inner wall of the notch (7) is fixed on the outer wall of the baffle (8).

4. The pier stud template for the road and bridge building as claimed in claim 1, wherein a cavity is formed in the inner wall of the impact ball (14), the cavity is communicated with the outside, a plurality of steel balls are arranged in the cavity, and the diameter of the steel balls is far smaller than the inner diameter of the cavity.

5. The pier column template for the road and bridge building according to claim 1, wherein the diameter of the lifting rod (17) is matched with the inner diameter of the through opening (3), and the lifting rod (17) adopts an oil cylinder.

6. The pier column template for the road and bridge building according to claim 1, wherein a first magnet block is fixedly embedded in the inner wall of the through hole (3), and a second magnet block adsorbed to the first magnet block is fixedly embedded in the outer wall of the lifting rod (17).

7. The pier stud template for the road and bridge building according to claim 1, wherein the length of the form plate (6) is equal to the distance between the inner walls of the two clamping grooves (5).

8. The pier stud template for the road and bridge building according to claim 1, wherein the distance between the inner walls of the two notches (7) at the ends of the two half templates (1) is less than the length of the form plate (6).